Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 − 79 by rounding each number to the nearest 10: ______
- Estimate 39 − 73 by rounding each number to the nearest 10: ______
- Estimate 81 + 35 by rounding each number to the nearest 10: ______
- Estimate 63 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 32 by rounding each number to the nearest 10: ______
- Estimate 46 − 44 by rounding each number to the nearest 10: ______
- Estimate 81 − 50 by rounding each number to the nearest 10: ______
- Estimate 68 − 47 by rounding each number to the nearest 10: ______
- Estimate 54 + 40 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 70 by rounding each number to the nearest 10: ______
- Estimate 75 + 88 by rounding each number to the nearest 10: ______
- Estimate 85 − 43 by rounding each number to the nearest 10: ______
- Estimate 70 − 47 by rounding each number to the nearest 10: ______
- Estimate 73 − 87 by rounding each number to the nearest 10: ______
- Estimate 78 − 61 by rounding each number to the nearest 10: ______
- Estimate 89 − 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 66 by rounding each number to the nearest 10: ______
- Estimate 40 + 25 by rounding each number to the nearest 10: ______